/**
 * Copyright 2017 ZTE Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.openo.policy.engine.pep;

import java.util.HashMap;
import java.util.Map;

public class PolicyActionFactory {
	
	
	private static Map<String,String> actionMap = new HashMap<>();
	
	static{
		actionMap.put("nsPolicyAction", "org.openo.policy.engine.pep.nvfo.ScaleNsPolicyAction");
		actionMap.put("bkPolicyAction", "org.openo.policy.engine.pep.periodic.BackupDbPolicyAction");
	}
	
	public static PolicyAction newActionInstance(String actionName){
		PolicyAction policyAction = null;
		String className = actionMap.get(actionName);
		if(className == null || "".equals(className)){
			return null;
		}
		
		try {
			policyAction =(PolicyAction)Class.forName(className).newInstance();
		} catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
			e.printStackTrace();
		}
		
		return policyAction;
	}

}
